Question about 2005 Pontiac Grand Prix

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What are oil pressure specs for a 2006 Grand Prix GT w/3800

Series III motor. I don't have a manual for this, but my light keeps coming on and need to know so when I put my gauges on, I can diagnose.

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Lubrication System

^ Oil Pressure - @ 1850 RPM 414 kPa (60 psi)

With this Piticular Engine The oil Pump Is the ONLY Problem I"ve found that They Are even Slightly Bad At and Not A HUGE Problem at all,Oil sending Unit May very well be the Culpret. Hope this Helps you Diagnose it Correctly.

Posted on Jun 15, 2009


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Posted on Jan 02, 2017


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I put less than half a quart of ATV OIL IN MY

hard to answer without knowing what the ATV oil specs are. At less than half a quart I would just continue and make sure I changed the oil on time. If it worries you do a quick oil change.

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2006 Grand Prix GT blower motor stops working on start up in cold

Rather then rigging it , fix it right ! The blower motor could be bad . Testing the electrical circuit , checking current draw , voltage drop . etc.... Hooking up a light switch isn,t going to keep it on if parts are failing . More then likely the blower motor control processor is going bad . The blower motor is electronically controlled .
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How do you replace a crank position sensor in a 2004 Grand Prix GTP?

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Sep 13, 2010 | 2006 Pontiac Grand Prix

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What kind of motor does a Pontiac Grand Prix have?

Depends on what sub-model you have. If you have an SE its a 3100 3.1L Engine. If its a GT its a 3800 3.8L Engine. If its a GTP its a 3800 3.8L but with a supercharger.

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How to rebuild oil pump ?

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Apr 30, 2010 | 2004 Pontiac Grand Prix

1 Answer

Engine light came on after I had the transmission fluid changed.

consider the spillage on the alternator a probable cause if it appeared as work was completed. Could ther have been other issues i.e.was a connector dislodged during the maintainance ?

Apr 04, 2009 | 2005 Pontiac Grand Prix

1 Answer

2001 Grand Prix GT 3800 series engine

The best solution is to do a complete tune up with new spark plugs, wires, fuel filter, air filter, pcv valve and oil change.. If this still happen I would get some fuel injector cleaner, or use marvel mystery oil in both your oil(crankcase) and gas tank. You can get mystery oil at walmart..its in a red bottle with black label.

Jan 18, 2009 | 2001 Pontiac Grand Prix

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I need to replace the serpentine belt on my 2007 Grand Prix, but I cannot find a routing diagram anywhere. There is not one under the hood. The manual does not have a diagram either. Where can I find one?...

If you have the 3800 Series II or Series III engine, this should help you out.

If you dont have the supercharger, just disregard the belt routing with the S/C on it.

Jan 04, 2009 | 2006 Pontiac Grand Prix

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